First Interstate Bank

Are you a First Interstate Bank customer?

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Contacting First Interstate Bank

Options for reaching First Interstate Bank customer service.

Phone Numbers

Contact Phone888-752-3332
Support Phone888-833-3450
Credit Card Support888-791-4071

About First Interstate Bank

General information about First Interstate Bank

Parent Company First Interstate BancSystem, Inc.,
Services: Checking & Savings, Mortgage, Home Equity Loan, Auto Loan, Loan (Other), and Credit Card
Industry Groups: Banking & Credit Cards
Service Areas: WY, SD, MT

Customer Activity

First Interstate Bank has the most customers in these areas:

  • Billings, MT
  • Sheridan, WY
  • Great Falls, MT
  • Fort Washakie, WY
  • Casper, WY

Customer Overlap

First Interstate Bank customers are most often also customers of these companies:

Frequently Asked Questions

Questions about First Interstate Bank? Maybe we can help.

Is online bill pay available for First Interstate Bank?

First Interstate Bank can be paid online at their website. Click here to make a payment to First Interstate Bank for First Interstate Bank bill pay, or visit the First Interstate Bank website at www.firstinterstatebank.com

How can I sign into my First Interstate Bank account online?

You can login to your First Interstate Bank account online on their site at: www.firstinterstatebank.com.

Where can I find help login into my First Interstate Bank account?

Customer support for First Interstate Bank, available at www.firstinterstatebank.com, can provide help accessing your account or resetting your password.

Does First Interstate Bank offer a mobile app?

Mobile apps for First Interstate Bank are avialable at First Interstate Bank for iOS and First Interstate Bank for Android. Download the apps and login to your First Interstate Bank account to get started.

I have a question about my First Interstate Bank account. How do I contact customer support for my provider?

Support resources for First Interstate Bank are available online at www.firstinterstatebank.com. The information listed on that page can help if you need to update your account or have other questions about your bill or statement. Reach First Interstate Bank via phone at 888-833-3450.

Does First Interstate Bank have any nicknames or is it known as anything else?

No, the primary name is "First Interstate Bank".

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First Interstate Bank was added to doxo by a doxo user. The information in this profile is added by users and public sources. Learn how doxo works. Errors may exist. To add information to this profile, or remedy errors, users may submit edits to this information.